Now showing items 1-20 of 74

    • Do You Have a Mechanical Seal Refurbishing Shop in Your Complex? 

      Sabharwal, Mohit; Kumar, Arun; Paliwal, Dilip (Turbomachinery Laboratories, Texas A&M Engineering Experiment Station, 2016)
      Case Study 24: Author intends to convey: 1. Importance of having Mechanical Seal Refurbishment facility in a refinery complex, supported by interesting case studies on critical mechanical seal failures. Minimum set up ...
    • Revolving Vane Mechanism: A Novel Pumping Mechanism 

      Tiow, OOI Kim (Turbomachinery Laboratories, Texas A&M Engineering Experiment Station, 2016)
      Case Study 25
    • Emergency Damage Restoration Experiences of 25MW Heavy-Duty Gas Turbine: Bearing Retrofit Design and Test Run 

      Lee, An Sung; Kim, Byung Ok; Sun, Kyung Ho; Park, Byeong Kyu; Bae, Young-Soon (Turbomachinery Laboratories, Texas A&M Engineering Experiment Station, 2016)
      Case Study 6: A 25MW gas turbine had been damaged during operation. Particularly, its tilting pad journal bearings and shaft journals had suffered complete wiping‐out and deep crack damages, respectively. For an emergency ...
    • Polytropic Efficiency Improvements and Sustenance on Centrifugal Compressor: Corrosion Erosion and Impact of Fouling 

      Zin, Tan Chek; Sing, Ng Wei; Tharakaram, Arni R.; Koguchi, Satoshi (Turbomachinery Laboratories, Texas A&M Engineering Experiment Station, 2016)
      Case Study 5: This paper presents a case study on the rapid deterioration of compressor polytropic efficiency relating to systemic fouling and corrosion issues. Due to such issues, compressor service life was reduced from ...
    • Solutions To Requirements On Electrical Drives In O&G Applications 

      Ganesan, Vijay; Busse, Stephan; Demmig, Sven (Turbomachinery Laboratories, Texas A&M Engineering Experiment Station, 2016)
      Lecture 3: Variable-frequency drives (VFDs) are being increasingly employed in oil and gas (O&G) applications due to their better efficiency, reliability and process control when compared to conventional drives. In comparison ...
    • Bad Actor Elimination in Pumps 

      Bhat, Vasanth; Suthan, Thangavel (Turbomachinery Laboratories, Texas A&M Engineering Experiment Station, 2016)
      Case Study 12
    • Centrifugal Compressor Surge Control Systems - Fundamentals of a Good Design 

      Botros, Kamal; Hill, Steven; Grose, Jordan (Turbomachinery Laboratories, Texas A&M Engineering Experiment Station, 2016)
      Lecture 2: Many facilities employ two or more centrifugal compressors, operated in either series or parallel configurations. An accurately designed surge control system that includes multiple compressors with the associated ...
    • Four Quadrant Centrifugal Compressor Performance 

      Belardini, Elisabetta; Rubino, Dante Tommaso; Tapinassi, Libero; Pelella, Marco (Turbomachinery Laboratories, Texas A&M Engineering Experiment Station, 2016)
      Lecture 16: The characterization of the compressor behavior in all quadrants of performance map has acquired, in the last years, growing attention. Two dedicated experimental campaigns have been performed to characterize ...
    • Operation of Centrifugal Compressors in Choke Conditions 

      Kurz, Rainer; Marechale, Russell K.; Fowler, Edward J.; Ji, Min; Cave, Michael J. (Turbomachinery Laboratories, Texas A&M Engineering Experiment Station, 2016)
      Lecture 14: Centrifugal compressors are at times required to operate in or near the choke region. Various limits of the degree of allowable operation in choke have been established. Based on test data and numerical data, ...
    • Stress Corrosion Failure of a Low Pressure Disk from a 800MW Steam Turbine 

      Tipton, Anthony (Turbomachinery Laboratories, Texas A&M Engineering Experiment Station, 2016)
      Case Study 1: Stress corrosion cracking is known to be a function of stress, material and environment. However, a fourth variable that is often overlooked is operating time. Maintaining steam chemistry within OEM and ...
    • Investigation of Steam Turbine Blade Failure 

      Vengurlekar, Ashutosh; Fisher, Robert D.; Nakamura, Yuki; Sasaki, Yuichi; Hata, Satoshi; Ikeno, Kyoichi (Turbomachinery Laboratories, Texas A&M Engineering Experiment Station, 2016)
      Case Study 19: Blade failure was observed on a backpressure steam turbine (driving a centrifugal compressor) after it was in service for more than one year. This paper presents details of observations, inspections carried ...
    • Development of High-Pressure Ratio and Wide-Operating Range 700bar Compressor 

      Tokuyama, Shinichiro; Ujihara, Diogo Yoshikazu; Nakaniwa, Akihiro; Saburi, Satoshi (Turbomachinery Laboratories, Texas A&M Engineering Experiment Station, 2016)
      Lecture 1: Pre-Salt development projects continue to expand offshore Brazil into ever deeper waters year after year. Consequently, the required Discharge Pressures for Re-Injection Compressors aboard FPSO’s are likely to ...
    • Effect of Inlet Cooling on the Performances of Isotherm Main Air Compressor Used for ASU Applications 

      Porreca, Luca; Zhu, Wentao (Turbomachinery Laboratories, Texas A&M Engineering Experiment Station, 2016)
      Lecture 10: Main air compressors used for air separation units (ASU) applications have a suction at ambient conditions and deliver air to a pressure range between 5.6 ~ 6.5 bara. Therefore, the performances of the compressor ...
    • Evaluation of Various Methods for Manufacturing One Piece, Small Tip Opening Centrifugal Compressor Impellers 

      Laney, Scot; Bauer, Derrick; Ando, Akiyoshi (Turbomachinery Laboratories, Texas A&M Engineering Experiment Station, 2016)
      Lecture 12: Closed centrifugal compressor impellers have been manufactured using several methods through the years. Due to limitations of the materials and machining processes, most of these impellers have been manufactured ...
    • Revamp of Steam Turbine for Synthesis Gas Compressor at NFL Nangal 

      Markan, Rakesh (Turbomachinery Laboratories, Texas A&M Engineering Experiment Station, 2016)
      Case Study 11: National Fertilizers Limited, Nangal Unit, India had under taken the revamp of Steam Turbine of Synthesis Gas Compressor in January 2014. The plant startup, after machine revamp, was delayed by 40 days, ...
    • Fundamentals of Fluid Film Journal Bearing Operation and Modeling 

      He, Minhui; Cloud, C. Hunter; Byrne, James M.; Vázquez, Jose A. (Turbomachinery Laboratories, Texas A&M Engineering Experiment Station, 2016)
      Tutorial 14: Widely used in turbomachinery, the fluid film journal bearing is critical to a machine’s overall reliability level. Their design complexity and application severity continue to increase making it challenging ...
    • The Development of API 682 4th Edition 

      Bowden, Peter (Turbomachinery Laboratories, Texas A&M Engineering Experiment Station, 2016)
      Tutorial 12: API 682 was first published in 1994 and it became established as the industry leading document for mechanical seals. It promoted proven, high reliability seal solutions across refining markets. As new sealing ...
    • Gas Turbine Packaging Options and Features 

      Brun, Klaus; Kurz, Rainer; Winkelman, Bernhard (Turbomachinery Laboratories, Texas A&M Engineering Experiment Station, 2016)
      Tutorial 13: This tutorial provides an overview of typical packaging options for gas turbines in industrial applications. Applicable standards are discussed. The requirements for different systems, such as air filtration, ...
    • Conttol Systems. Surge Control and Dynamic Behavior for Centrifugal Gas Compressors 

      Kurz, Rainer; White, Robert C.; Winkelmann, Bernhard; Brun, Klaus (Turbomachinery Laboratories, Texas A&M Engineering Experiment Station, 2016)
      Tutorial 10C: This tutorial discusses the design and function of surge control systems, or more precisely, surge avoidance systems on the basis of the behavior of centrifugal compressors when they interact with compression ...
    • Dry Gas Seal Contamination During Operation and Pressurized Hold - Background and Potential Solutions 

      Goebel, Daniel; Schmidt, Glenn (Turbomachinery Laboratories, Texas A&M Engineering Experiment Station, 2016)
      Technical Brief 1: This paper will discuss the challenges with contamination of gas seals. The reliability of gas seals is largely dependent on having a continuous supply of clean and dry seal gas. In dynamic mode, gas ...